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italic titleOtherusestaxobox|name = Calla palustris |image = Calla_palustris2.jpg|regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Monocots |ordo = Alismatales |familia = Araceae |subfamilia = Calloideae |genus = Calla |species = C. palustris |binomial = Calla palustris |binomial_authority = Carolus Linnaeus|L. | Calla ( Bog Arum , Marsh Calla ) is a genus of flowering plant in the family Araceae , containing the single species Calla palustris . It is native to cool temperate regions of the Northern Hemisphere , in central, eastern and northern Europe ( France and Norway eastward), northern Asia and northern North America ( Alaska , Canada , northeastern contiguous United States ).
It is a rhizome|rhizomatous herbaceous perennial plant growing in bog s and pond s. The leaf|leaves are rounded to heart-shaped, 6–12& nbsp;cm long on a 10–20& nbsp;cm petiole, and 4–12& nbsp;cm broad. The greenish-yellow inflorescence is produced on a spadix about 4–6& nbsp;cm long, enclosed in a white spathe . The fruit is a cluster of red berry|berries , each berry containing several seed s.
The plant is very poison ous when fresh due to its high oxalic acid content, but the rhizome, like that of Caladium , Colocasia and Arum , is edible after drying, grinding, leaching and boiling.A Dictionary of Flowering Plants and Ferns - JC Willis
The genus formerly also included a number of other species, which have now been transferred to the separate genus Zantedeschia . These plants, from tropical Africa , are however still often termed "calla lilies", but should not be confused with C. palustris .
References
cite book | author= Neltje Blanchan|Blanchan, Neltje | title= Wild Flowers: An Aid to Knowledge of our Wild Flowers and their Insect Visitors | year=2002 | publisher= Project Gutenberg|Project Gutenberg Literary Archive Foundation
reflist
External links
http://www.pfaf.org/user/Plant.aspx? LatinName=Calla+palustris Plants for a Future: Calla palustris
Commons|Calla palustris Category:Araceae genera Category:Flora of Canada Category:Monotypic plant genera
